:root {
  --bg: #0b0b10;
  --bg-alt: #111119;
  --card: #16161f;
  --border: #26263a;
  --text: #f5f5f7;
  --text-dim: #9a9db3;
  --accent: #8b6bff;
  --accent-2: #4fd1c5;
  --radius: 14px;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Nav */

nav.site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 11, 16, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

nav.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--text-dim);
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* Hero */

header.hero {
  padding: 6rem 0 5rem;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--accent-2);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

header.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin: 0 0 1rem;
}

header.hero p.tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.cta-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.video-embed {
  position: relative;
  width: 100%;
  max-width: 700px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.tester-note {
  margin: 1.75rem auto 0;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.tester-note a {
  color: var(--accent-2);
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid var(--border);
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #0b0b10;
  border: none;
}

.btn-primary:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}

.btn-ghost:hover {
  background: var(--bg-alt);
}

.btn-disabled {
  background: var(--bg-alt);
  color: var(--text-dim);
  border: 1px dashed var(--border);
  cursor: not-allowed;
}

/* Sections */

section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  margin: 0 0 1rem;
  text-align: center;
}

section .section-intro {
  color: var(--text-dim);
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

@media (max-width: 800px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.9rem;
  color: var(--text-dim);
}

.feature-list li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  color: var(--accent-2);
}

.app-screenshot {
  display: flex;
  justify-content: center;
}

.app-screenshot img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Cards grid */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 800px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
}

.card h3 {
  margin: 0 0 0.6rem;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.card .tag {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(139, 107, 255, 0.15);
  color: var(--accent);
  border: 1px solid rgba(139, 107, 255, 0.35);
}

/* Download section */

.download-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.platform-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1.75rem 0 1.25rem;
}

.note {
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Footer */

footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--text-dim);
}

.footer-links a:hover {
  color: var(--text);
}

/* Legal pages */

.legal-page {
  padding: 4rem 0 6rem;
}

.legal-page h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: 0.5rem;
}

.legal-page .updated {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
}

.legal-page h2 {
  font-size: 1.3rem;
  text-align: left;
  margin-top: 2.5rem;
}

.legal-page p, .legal-page li {
  color: var(--text-dim);
}

.legal-page a {
  color: var(--accent-2);
}

/* Account navigation */

a.logo:hover {
  text-decoration: none;
}

.auth-nav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 2.5rem;
  justify-content: flex-end;
  font-size: 0.9rem;
}

.auth-nav-signed-out a {
  color: var(--text-dim);
}

.auth-nav-signed-out .nav-signup {
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
}

.profile-icon,
.profile-placeholder {
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
}

.profile-placeholder {
  animation: profile-pulse 1.2s ease-in-out infinite alternate;
}

.profile-link:hover {
  text-decoration: none;
}

.profile-link:hover .profile-icon {
  border-color: var(--accent-2);
}

@keyframes profile-pulse {
  to { opacity: 0.45; }
}

/* Authentication and account pages */

.auth-page,
.account-page {
  min-height: calc(100vh - 73px);
  padding-top: 4rem;
  padding-bottom: 5rem;
}

.auth-card,
.account-card {
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.auth-card h1,
.account-heading h1 {
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

.auth-intro,
.muted,
.field-hint,
.legal-note,
.account-loading {
  color: var(--text-dim);
}

.eyebrow {
  margin: 0 0 0.4rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-form {
  display: grid;
  gap: 0.65rem;
  margin-top: 1.7rem;
}

.auth-form label {
  margin-top: 0.45rem;
  font-weight: 650;
}

.auth-form input {
  width: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.auth-form input:focus {
  outline: 2px solid rgba(79, 209, 197, 0.35);
  border-color: var(--accent-2);
}

.field-hint {
  margin: -0.3rem 0 0.2rem;
  font-size: 0.8rem;
}

.full-width {
  width: 100%;
  margin-top: 0.5rem;
}

button.btn:disabled {
  cursor: not-allowed;
  filter: grayscale(0.3);
  opacity: 0.65;
}

.form-message {
  min-height: 1.5rem;
  margin: 0.5rem 0 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.form-message.error {
  color: #ff9c9c;
}

.form-message.success {
  color: var(--accent-2);
}

.auth-switch,
.legal-note {
  text-align: center;
  font-size: 0.9rem;
}

.auth-switch {
  margin-top: 1.5rem;
}

.legal-note {
  margin-top: 1rem;
}

.account-heading {
  max-width: 680px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.account-card {
  max-width: 680px;
}

.verification-card,
.verification-result {
  text-align: center;
}

.verification-card .btn {
  margin-top: 1rem;
}

.status-icon {
  width: 3.5rem;
  height: 3.5rem;
  display: grid;
  place-items: center;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  color: var(--accent-2);
  background: rgba(79, 209, 197, 0.1);
  border: 1px solid rgba(79, 209, 197, 0.3);
  font-size: 1.4rem;
  font-weight: 800;
}

.success-icon {
  font-size: 1.7rem;
}

.text-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--text-dim);
  font: inherit;
  cursor: pointer;
}

.text-button:hover {
  color: var(--text);
}

.status-badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.status-badge.verified {
  color: var(--accent-2);
  background: rgba(79, 209, 197, 0.1);
}

.balance {
  margin: 0.25rem 0 1.5rem;
  font-size: 2.25rem;
  font-weight: 800;
}

@media (max-width: 720px) {
  nav.site-nav .wrap {
    gap: 0.75rem;
  }

  .site-nav .nav-links {
    display: none;
  }

  .auth-page,
  .account-page {
    padding-top: 2rem;
  }

  .auth-nav-signed-out .nav-signup {
    display: none;
  }
}